Based on the size and bitrate, this is almost certainly a (or a very low-resolution, high-compression video of about the same length). If it is audio, it uses the Opus codec , which is highly efficient for web streaming. Technical Breakdown
“128kbps means it is CD quality. Almost all humans cannot tell the difference between 128 and anything higher.” Reddit · r/audio · 13 years ago 128kbps webm(56.24 MB)
“When you come from complete , any improvement from sub 128 levels is insane.” Reddit · r/audiophile · 14 years ago Based on the size and bitrate, this is